Portable docking station



FIG. 1 is a top front perspective view of a portable docking station showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a top front perspective view thereof showing the insert portion in a downward position for use;

FIG. 8 is another perspective view thereof, shown in an alternate downward position wherein an environmental tablet is connected to the portable docking station in a closed configuration;

FIG. 9 is another perspective view thereof, shown in an alternate position wherein the environmental tablet is connected to the portable docking station in an open configuration; and,

FIG. 10 is another perspective view thereof, shown in another alternate downward position wherein the environmental tablet is connected to the portable docking station in another configuration.

The bottom view has been omitted as it does not show the claimed design. The broken lines showing the tablet in FIGS. 8-10 depict environment only and form no part of the claim; while all other broken lines in the drawings depict portions of the portable docking station that form no part of the claimed design. 

CLAIM The ornamental design for a portable docking station, as shown and described. 